Nice, looks like a lot of thoughts went into this.

[quote=@Emma]
 So how does someone play an Agna character? Are they like mermaid people kind of things? Do they somehow have the ability to walk on land, or are they stuck in the water.  Does magic only pertain to specific races, or more to everyone except humans?
[/quote]

I assume they'll be like [url=http://vignette1.wikia.nocookie.net/starwars/images/2/23/The_Mon_Calamari.png/revision/latest?cb=20150801202537]Mon Calamaris[/url] in Star Wars.